Date post: | 17-Jan-2017 |
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THE PLANT KINGDOMTHE PLANT KINGDOM
PLANTPLANTare divided into:are divided into:
Flowering plantFlowering plant They are the biggest They are the biggest
group on the Earth.group on the Earth. They use asexual They use asexual
reproduction.reproduction. They have flowers.They have flowers. They reproduce through They reproduce through
seedsseeds
Non-flowering plantsNon-flowering plants They don´t They don´t
reproduce seeds.reproduce seeds. They reproduce They reproduce
asexually using asexually using spores.spores.
Flowering plants are Flowering plants are divided into:divided into:
GimnospermsGimnosperms:: They have small flowers.They have small flowers. They don´t produce any They don´t produce any
fruit.fruit. Their seeds develop in Their seeds develop in
cones.cones. Many gymnosperms have Many gymnosperms have
long leaves called needles.long leaves called needles.
AngiospermsAngiosperms:: They have pollinated They have pollinated
flowers.flowers. They produce fruits with They produce fruits with
seeds inside.seeds inside. They can be trees, They can be trees,
bushes or grass.bushes or grass.
Non-flowering plantsNon-flowering plantsare divided into:are divided into:
FernsFerns They have roots and strong stem They have roots and strong stem
wich grow under the ground.wich grow under the ground. They have large leaves called They have large leaves called
fronds.fronds. They produce spores inside sori.They produce spores inside sori. Soris are underside of the fronds.Soris are underside of the fronds. They´re one of the oldest plants They´re one of the oldest plants
on the Earth.on the Earth.
MossesMosses They have simple stems They have simple stems
and leaves.and leaves. Their roots are called Their roots are called
rhizoids.rhizoids. They produce spores They produce spores
inside capsules.inside capsules.
Roots
Flower
LeavesStem
Root hairs
Trunk
Parts of a plant
Fruits
Functions of parts of a Functions of parts of a plantplant
RootsRoots:: They hold the plant in the They hold the plant in the
ground.ground. They absorb water and They absorb water and
minerals through the root minerals through the root hairs.hairs.
LeavesLeaves:: They contain clorophyll, a green substance.They contain clorophyll, a green substance. They have two parts:the petiole and the blade.They have two parts:the petiole and the blade. Veins support the leaf and carry water and Veins support the leaf and carry water and
minerals.minerals. Stomata are tiny holes which are situated Stomata are tiny holes which are situated
underside of the blade.underside of the blade. The gas is exchanged in the leaves through The gas is exchanged in the leaves through
stomatastomata
StemsStems:: They hold up other parts of They hold up other parts of
the plant.the plant. They transport materials to They transport materials to
and from the leaves.and from the leaves. Water and minerals travel Water and minerals travel
through them.through them. The food produced through The food produced through
photosynthesis then travels to photosynthesis then travels to other parts of the plantother parts of the plant
Plant nutrition and Plant nutrition and respirationrespiration
Raw sap
Glucose